279865560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 256

約数和(自身を含む): 978687360

約数和(自身を除く): 698821800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 61, 65, 68, 78, 85, 102, 104, 120, 122, 130, 136, 156, 170, 173, 183, 195, 204, 221, 244, 255, 260, 305, 312, 340, 346, 366, 390, 408, 442, 488, 510, 519, 520, 610, 663, 680, 692, 732, 780, 793, 865, 884, 915, 1020, 1037, 1038, 1105, 1220, 1326, 1384, 1464, 1560, 1586, 1730, 1768, 1830, 2040, 2074, 2076, 2210, 2249, 2379, 2440, 2595, 2652, 2941, 3111, 3172, 3315, 3460, 3660, 3965, 4148, 4152, 4420, 4498, 4758, 5185, 5190, 5304, 5882, 6222, 6344, 6630, 6747, 6920, 7320, 7930, 8296, 8823, 8840, 8996, 9516, 10370, 10380, 10553, 11245, 11764, 11895, 12444, 13260, 13481, 13494, 14705, 15555, 15860, 17646, 17992, 19032, 20740, 20760, 21106, 22490, 23528, 23790, 24888, 26520, 26962, 26988, 29410, 31110, 31659, 31720, 33735, 35292, 38233, 40443, 41480, 42212, 44115, 44980, 47580, 52765, 53924, 53976, 58820, 62220, 63318, 67405, 67470, 70584, 76466, 80886, 84424, 88230, 89960, 95160, 105530, 107848, 114699, 117640, 124440, 126636, 134810, 134940, 137189, 152932, 158295, 161772, 176460, 179401, 191165, 202215, 211060, 229398, 253272, 269620, 269880, 274378, 305864, 316590, 323544, 352920, 358802, 382330, 404430, 411567, 422120, 458796, 538203, 539240, 548756, 573495, 633180, 685945, 717604, 764660, 808860, 823134, 897005, 917592, 1076406, 1097512, 1146990, 1266360, 1371890, 1435208, 1529320, 1617720, 1646268, 1794010, 2057835, 2152812, 2293980, 2332213, 2691015, 2743780, 3292536, 3588020, 4115670, 4305624, 4587960, 4664426, 5382030, 5487560, 6996639, 7176040, 8231340, 9328852, 10764060, 11661065, 13993278, 16462680, 18657704, 21528120, 23322130, 27986556, 34983195, 46644260, 55973112, 69966390, 93288520, 139932780, 279865560]

約数ペア:

[(1, 279865560), (2, 139932780), (3, 93288520), (4, 69966390), (5, 55973112), (6, 46644260), (8, 34983195), (10, 27986556), (12, 23322130), (13, 21528120), (15, 18657704), (17, 16462680), (20, 13993278), (24, 11661065), (26, 10764060), (30, 9328852), (34, 8231340), (39, 7176040), (40, 6996639), (51, 5487560), (52, 5382030), (60, 4664426), (61, 4587960), (65, 4305624), (68, 4115670), (78, 3588020), (85, 3292536), (102, 2743780), (104, 2691015), (120, 2332213), (122, 2293980), (130, 2152812), (136, 2057835), (156, 1794010), (170, 1646268), (173, 1617720), (183, 1529320), (195, 1435208), (204, 1371890), (221, 1266360), (244, 1146990), (255, 1097512), (260, 1076406), (305, 917592), (312, 897005), (340, 823134), (346, 808860), (366, 764660), (390, 717604), (408, 685945), (442, 633180), (488, 573495), (510, 548756), (519, 539240), (520, 538203), (610, 458796), (663, 422120), (680, 411567), (692, 404430), (732, 382330), (780, 358802), (793, 352920), (865, 323544), (884, 316590), (915, 305864), (1020, 274378), (1037, 269880), (1038, 269620), (1105, 253272), (1220, 229398), (1326, 211060), (1384, 202215), (1464, 191165), (1560, 179401), (1586, 176460), (1730, 161772), (1768, 158295), (1830, 152932), (2040, 137189), (2074, 134940), (2076, 134810), (2210, 126636), (2249, 124440), (2379, 117640), (2440, 114699), (2595, 107848), (2652, 105530), (2941, 95160), (3111, 89960), (3172, 88230), (3315, 84424), (3460, 80886), (3660, 76466), (3965, 70584), (4148, 67470), (4152, 67405), (4420, 63318), (4498, 62220), (4758, 58820), (5185, 53976), (5190, 53924), (5304, 52765), (5882, 47580), (6222, 44980), (6344, 44115), (6630, 42212), (6747, 41480), (6920, 40443), (7320, 38233), (7930, 35292), (8296, 33735), (8823, 31720), (8840, 31659), (8996, 31110), (9516, 29410), (10370, 26988), (10380, 26962), (10553, 26520), (11245, 24888), (11764, 23790), (11895, 23528), (12444, 22490), (13260, 21106), (13481, 20760), (13494, 20740), (14705, 19032), (15555, 17992), (15860, 17646)]